Decrement (--) Operator

• When we execute

  --x
  

• two things happen:

  • The value of the variable x is decreased by 1.
  • The value of the expression --x is equal to the new value (original value minus 1).

• When we execute

  x--
  

• two things happen:

  • The value of the variable x is decreased by 1. Same as
    --x.
  • The value of the expression x-- is equal to the old value (original value of x).

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